Links

Backyard Birders

http://www.birder.com/birding/backyard/indextext.html
Here you can find bird checklists which span the globe, birding hot spots, and rare bird alerts and links to home pages of other bird watchers.

Birding.com

http://www.birding.com/Binoculars.asp
For beginning birders to advanced – Here are more tips for selecting binoculars for bird watching.

Brooklyn Bird Club

http://www.brooklynbirdclub.org/links.htm
The prestigious Brooklyn Bird Club, founded in 1909, the club carries out its mission to promote bird watching and conservation in the eastern US.

Kansas State University Birdlinks

http://www.ksbirds.org/kos/kos_birdlink.html
Information here is not limited to bird sightings but to housing, feeding, conservation and political issues that pertain to birds of Kansas.

Marin Audubon Society

http://www.marinaudubon.org/sighting.htm
California’s Marin Audubon Society reviews critical issues related to wildlife habitats and works with cities, agencies, and other jurisdictions.

Maryland Ornithological Society

http://www.mdbirds.org/
Promotes knowledge about natural resources, fosters its appreciation and conservation. The Society also maintains a system of sanctuaries to encourage the conservation of birds and bird habitat.

The Natural History Society of Newfoundland and Labrador

http://www.naturenl.ca/links.htm
The Society works to promote the enjoyment and protection of all wildlife and natural history resources in the Province of Newfoundland and Labrador and surrounding waters.

Point Reyes Bird Observatory Links

http://www.prbo.org/cms/index.php?mid=59
For decades, PRBO has been studying birds and ecosystems throughout the west and educating the public along the way. Find out how you can help, too.

Will Cook's Web Site

http://www.duke.edu/~cwcook/
A thorough compilation of information about birds, butterflies, plants and other nature information.

Bird Feeders

RollerFeeder

The RollerFeeder, squirrel proof bird feeder designed with songbirds in mind."
http://www.rollerfeeder.com/

Optical Sites: Where the real science of optics is explored

Optical Research Associates: A Gentle Introduction to Optical Design

http://www.opticalres.com/gentle95.html
A brief introduction to how lenses are designed with a fair selection of references where you can find additional information.

Optical Society of North America

http://www.osa.org/
If you can’t find the answers on our site, OSA has more technical answers about optics. Check here for lots of great ideas for kids and teachers.

Optics Manufacturers: Lenses and Other Parts

3Dlens

Makes Fresnel lenses, polarizers, OHP fresnel lens, polarizing filters.
http://www.3dlens.com

Using your binoculars to study butterflies? Here are web sites to help you identify what you see:

NABA, North American Butterfly Association

http://www.naba.org/binocs.html
For butterfly watchers - an essay “Binoculars for Butterflying” by Jeffrey Glassberg

USGS Butterflies of North America (with photos and range maps)

http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/bflyusa.htm
If you see a mystery butterfly, here is where you will find its picture and learn about the natural history.

Bird Conservation and Public Education web sites

National Audubon Society (for information on bird conservation)

http://www.audubon.org/
If you want to know how to help community-based nature centers and chapters, scientific and educational programs, and advocacy on behalf of areas sustaining important bird populations. This is where many of us started NAS has engaged millions of people of all ages and backgrounds in positive conservation experiences.

American Bird Conservancy

http://www.abcbirds.org/
American Bird Conservancy (ABC) has a mission is to conserve wild birds and their habitats throughout the Americas by using science-based approaches and building consensus among partner groups.

Migratory Bird Conservation Commission

http://www.fws.gov/refuges/realty/mbcc.html
This is the commission that approves purchase of wildlife habitat for future refuges throughout the US.

Owling.com

http://www.owling.com/
Optics4birding proudly supports Owling.com. This awesome site has both biology and multimedia sections to help with the identification, enjoyment, and appreciation of North and Central American Owls.

Partners in Flight

http://www.partnersinflight.org/
The goal of Partners in Flight is to ensure long-term maintenance of healthy populations of native land birds on their wintering grounds in the neotropics and on the breeding grounds of US and Canada.